[ 6648.455134][T10750] 
[ 6648.455495][T10750] =============================
[ 6648.455661][T10750] WARNING: suspicious RCU usage
[ 6648.455828][T10750] 6.12.0-rc5-virtme #1 Not tainted
[ 6648.456041][T10750] -----------------------------
[ 6648.456206][T10750] kernel/events/core.c:13962 RCU-list traversed in non-reader section!!
[ 6648.456459][T10750] 
[ 6648.456459][T10750] other info that might help us debug this:
[ 6648.456459][T10750] 
[ 6648.456782][T10750] 
[ 6648.456782][T10750] rcu_scheduler_active = 2, debug_locks = 1
[ 6648.457030][T10750] 3 locks held by poweroff/10750:
[ 6648.457200][T10750]  #0: ffffffffaec2df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0
[ 6648.457566][T10750]  #1: ffffffffaec2ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90
[ 6648.458365][T10750]  #2: ffffffffaeeadb08 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0
[ 6648.458719][T10750] 
[ 6648.458719][T10750] stack backtrace:
[ 6648.458933][T10750] CPU: 1 UID: 0 PID: 10750 Comm: poweroff Not tainted 6.12.0-rc5-virtme #1
[ 6648.459220][T10750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6648.459591][T10750] Call Trace:
[ 6648.459727][T10750]  <TASK>
[ 6648.459819][T10750]  dump_stack_lvl+0xb0/0xd0
[ 6648.459994][T10750]  lockdep_rcu_suspicious+0x1ea/0x280
[ 6648.460172][T10750]  perf_event_clear_cpumask+0x61d/0x8f0
[ 6648.460346][T10750]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6648.460523][T10750]  ? __pfx_perf_event_clear_cpumask+0x10/0x10
[ 6648.460736][T10750]  ? acpi_execute_simple_method+0xaa/0xe0
[ 6648.460901][T10750]  ? __pfx_acpi_execute_simple_method+0x10/0x10
[ 6648.461109][T10750]  perf_event_exit_cpu_context+0x2c/0xf0
[ 6648.461271][T10750]  perf_reboot+0x7c/0xe0
[ 6648.461391][T10750]  ? trace_notifier_run+0xe2/0x140
[ 6648.461554][T10750]  notifier_call_chain+0xcd/0x150
[ 6648.461722][T10750]  blocking_notifier_call_chain+0x66/0x90
[ 6648.461889][T10750]  kernel_power_off+0x1c/0xb0
[ 6648.462050][T10750]  __do_sys_reboot+0x270/0x2d0
[ 6648.462215][T10750]  ? __pfx___do_sys_reboot+0x10/0x10
[ 6648.462395][T10750]  ? __lock_release+0x103/0x460
[ 6648.462560][T10750]  ? do_user_addr_fault+0x972/0xe30
[ 6648.462725][T10750]  ? __pfx___lock_release+0x10/0x10
[ 6648.462887][T10750]  ? __up_read+0x1a7/0x780
[ 6648.463052][T10750]  ? trace_lock_acquire+0x14d/0x1f0
[ 6648.463217][T10750]  ? __pfx___up_read+0x10/0x10
[ 6648.463388][T10750]  ? do_writev+0xf9/0x280
[ 6648.463518][T10750]  ? do_writev+0xf9/0x280
[ 6648.463646][T10750]  ? __pfx_do_writev+0x10/0x10
[ 6648.463809][T10750]  ? do_user_addr_fault+0x97c/0xe30
[ 6648.463982][T10750]  do_syscall_64+0xc1/0x1d0
[ 6648.464153][T10750]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 6648.464360][T10750] RIP: 0033:0x7f77619b3197
[ 6648.464536][T10750] Code: 0b 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 89 fa be 69 19 12 28 bf ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 39 3c 0b 00 f7 d8 64 89 02 b8
[ 6648.465116][T10750] RSP: 002b:00007fff58214cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9
[ 6648.465366][T10750] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f77619b3197
[ 6648.465613][T10750] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead
[ 6648.465868][T10750] RBP: 0000000000000000 R08: 00007fff58213fb0 R09: 00000000ffffffff
[ 6648.466117][T10750] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002
[ 6648.466365][T10750] R13: 0000000000000001 R14: 000055e04a1df803 R15: 00007f7761e49000
[ 6648.466633][T10750]  </TASK>
[ 6648.469330][T10750] ACPI: PM: Preparing to enter system sleep state S5
[ 6648.470978][T10750] kvm: exiting hardware virtualization
[ 6648.471534][T10750] reboot: Power down